Template methods on Timer classes instead of the classes themselves.

chrome/browser/ui/ash/app_sync_ui_state.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_ASH_APP_SYNC_UI_STATE_H_
 #define CHROME_BROWSER_UI_ASH_APP_SYNC_UI_STATE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/observer_list.h"
@@ skipping 60 matching lines @@
   void OnStateChanged() override;
 
   // extensions::ExtensionRegistryObserver overrides:
   void OnExtensionLoaded(content::BrowserContext* browser_context,
                          const extensions::Extension* extension) override;
 
   Profile* profile_;
   ProfileSyncService* sync_service_;
 
   // Timer to limit how much time STATUS_SYNCING is allowed.
-  base::OneShotTimer<AppSyncUIState> max_syncing_status_timer_;
+  base::OneShotTimer max_syncing_status_timer_;
 
   Status status_;
   base::ObserverList<AppSyncUIStateObserver> observers_;
 
   extensions::ExtensionRegistry* extension_registry_;
 
   DISALLOW_COPY_AND_ASSIGN(AppSyncUIState);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_APP_SYNC_UI_STATE_H_